Perhaps you should try some spelling variations:
hanh trinh » canh tranh, hanh chinh
toc sach » hoc sach, doc sach, thuoc sach
hieu van » hieu va, thien van, lieu va
ky dang » ky danh
van cam » van nam, van lam, van cau
va hanh » van hanh, va thanh, va danh
xuc va » duc va, tuc va, luc va
cua tu » cua tuc, cua su, cua cu

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: toc sach ((ky dang) or (ky nang)) xa hoi. hieu van cam xuc va hanh trinh ((cua te) OR (cua tu))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: toc sach ((ky dang) OR (ky nang)) xa hoi. hieu van cam xuc va hanh trinh ((cua te) OR (cua tu)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "toc sach ((ky dang) or (ky nang)) xa hoi. hieu van cam xuc va hanh trinh ((cua te) OR (cua tu))".
• Adding a wildcard symbol may retrieve word variants: toc sach ((ky dang) or (ky nang)) xa hoi. hieu van cam xuc va hanh trinh ((cua te) OR (cua tu))*.